Commit Graph

23 Commits

Author SHA1 Message Date
Adrian.Conlon
64b7335a79 Attempted move to a "BUS" oriented memory architecture (TBC!)
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
2017-09-06 13:22:23 +01:00
Adrian.Conlon
da806bddcb Tidy some more Windows/Linux compatibility issues.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-09-03 21:30:46 +01:00
Adrian.Conlon
640b2be670 Parts of the EightBit library become linux compatible (TBC!)
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-09-03 12:11:14 +01:00
Adrian.Conlon
9b43b74c28 Rationalise some of the reset/initialise logic across pProcessor implementations.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-09-01 16:01:40 +01:00
Adrian.Conlon
1eb127ed72 Add power support to processor base class.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-08-31 12:13:00 +01:00
Adrian.Conlon
e70686c5de Some more rationalisation of processor execution/stepping strategies.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-08-30 23:17:34 +01:00
Adrian.Conlon
ec15a2c90c Correct SP arithmetic methods: All Blargg CPU tests now pass. Hurrah!
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-08-28 23:04:25 +01:00
Adrian.Conlon
d710a28526 More consolidation of instruction implementations.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-08-28 21:18:08 +01:00
Adrian.Conlon
329fd269ed Share some more code from the 6502 processor implementation.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-08-28 18:52:48 +01:00
Adrian.Conlon
59e9adf57c Share more of push/pop implementation across processors.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-08-28 13:19:17 +01:00
Adrian.Conlon
448ee2f09f Refactor the MBC implementation to allow a single point of definition.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-08-24 10:28:31 +01:00
Adrian.Conlon
8716035396 Second stage halt implementation: allow halt state to be exited by an interrupt.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-08-20 20:09:21 +01:00
Adrian.Conlon
016b3bca59 Switch to a memory read/write event driven model. All tests passing.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-08-06 17:06:48 +01:00
Adrian.Conlon
b6dd48ca63 Some more small clarifications of shared processor implementation.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-07-25 18:56:43 +01:00
Adrian.Conlon
4f491f110e Make the 6502 a little more compatible with other processor implementations.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-07-17 13:46:06 +01:00
Adrian.Conlon
8c81a27224 "Modernise" the 6502 emulator a little. Not complete, but does successfully complete Klaus Dormann tests.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-07-11 21:34:01 +01:00
Adrian.Conlon
3c0a1697fd Fetching bytes/words and stack access are more processor specific than I thought.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-07-07 09:27:06 +01:00
Adrian.Conlon
c9bf24d1fa Tidy up register and static method access.
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
2017-06-19 13:53:00 +01:00
Adrian.Conlon
627e41bf35 Introduce an IntelProcessor base class to allow known good implementation to be shared.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-06-11 09:45:34 +01:00
Adrian.Conlon
b1aa523dcc Small simplifications to base Processor class.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-06-10 12:42:55 +01:00
Adrian.Conlon
d8977d32d3 More MEMPTR clarifications.
This time to avoid temporary variables, in a similar manner to Z80 hardware.

Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-06-07 22:54:55 +01:00
Adrian.Conlon
211c75d84d Add Z80 processor and tests.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-06-05 22:39:15 +01:00
Adrian.Conlon
105032f08a Dump of all my C++ emulators, only Intel8080 integrated so far...
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-06-04 21:38:34 +01:00